[
  {
    "NAME": "EDB ID Database (2013 – 2014)",
    "VERSION": "2",
    "DATE": "2015-05-22",
    "CHANGE": "Published 2014 database"
  },
  {
    "NAME": "EDB ID Database (2013 – 2015)",
    "VERSION": "1",
    "DATE": "2015-10-16",
    "CHANGE": "Published 2015 database"
  },
  {
    "NAME": "EDB ID Database (2013 – 2016)",
    "VERSION": "1",
    "DATE": "2016-11-02",
    "CHANGE": "Published 2016 database: Includes some corrections to 2013-2015 data; for example data relating to financial incentives and wash-ups in Schedule 2(v)"
  },
  {
    "NAME": "EDB ID Database (2013 – 2017)",
    "VERSION": "1",
    "DATE": "2017-06-20",
    "CHANGE": "Published 2017 interim database"
  },
  {
    "NAME": "EDB ID Database (2013 – 2017)",
    "VERSION": "2",
    "DATE": "2017-10-04",
    "CHANGE": "Published 2017 database"
  },
  {
    "NAME": "EDB ID Database (2013 – 2018)",
    "VERSION": "1",
    "DATE": "2018-06-14",
    "CHANGE": "Published 2018 interim database Aurora Energy final AMP due 31 August 2018"
  },
  {
    "NAME": "EDB ID Database (2013 – 2018)",
    "VERSION": "2",
    "DATE": "2018-09-28",
    "CHANGE": "Published 2018 database: EA Networks formerly referred to as Electricity Ashburton Aurora Energy final AMP due 19 October 2018 Includes some corrections or updates to older data"
  },
  {
    "NAME": "EDB ID Database (2013 – 2018)",
    "VERSION": "2.1",
    "DATE": "2018-10-23",
    "CHANGE": "Published 2018 database: Update for Aurora Energy final AMP submission"
  },
  {
    "NAME": "EDB ID Database (2013 – 2019)",
    "VERSION": "1",
    "DATE": "2019-05-28",
    "CHANGE": "Published 2019 interim database"
  },
  {
    "NAME": "EDB ID Database (2013 – 2019)",
    "VERSION": "2",
    "DATE": "2019-10-24",
    "CHANGE": "Published 2019 database"
  },
  {
    "NAME": "EDB ID Database (2013 – 2020)",
    "VERSION": "1",
    "DATE": "2020-08-27",
    "CHANGE": "Published 2020 interim database"
  },
  {
    "NAME": "EDB ID Database (2013 – 2020)",
    "VERSION": "2",
    "DATE": "2021-02-04",
    "CHANGE": "Published 2020 database"
  },
  {
    "NAME": "EDB ID Database (2013 – 2021)",
    "VERSION": "1",
    "DATE": "2022-01-27",
    "CHANGE": "Published 2021 database"
  },
  {
    "NAME": "EDB ID Database (2013 – 2022)",
    "VERSION": "1",
    "DATE": "2022-12-20",
    "CHANGE": "Published 2022 database; includes some corrections or updates to older data"
  },
  {
    "NAME": "EDB ID Database (2013 – 2023)",
    "VERSION": "1",
    "DATE": "2023-06-01",
    "CHANGE": "Publish 2023 AMP data"
  },
  {
    "NAME": "EDB ID Database (2019 – 2023)",
    "VERSION": "1",
    "DATE": "2023-12-14",
    "CHANGE": "Publish 2023 ID data and AMP data for Centralines, Firstlight, and Unison 2013 to 2018 data moved to its own workbook Eastland Networks is now called Firstlight Networks from 2023 onwards. We have kept the name Eastland Networks for historical data"
  },
  {
    "NAME": "EDB ID Database (2019 – 2023)",
    "VERSION": "1.1",
    "DATE": "2024-01-31",
    "CHANGE": "Updated for Alpine Energy historic revisions (2014-2022) that were provided December 2023."
  },
  {
    "NAME": "EDB ID Dataset (2012-2024)",
    "VERSION": "2024.05.1",
    "DATE": "2024-05-15",
    "CHANGE": "Updated with 2024 AMP data. Added more output formats. Added Alpine Energy 2014 Sch. 8 data. Added 2012 transitional data. Added 2008-2012 data cleaned to align with 2012 format. Change of category label for section '11b: Operational Expenditure Forecast' from 'Expenditure on subcomponents' to 'Operating expenditure on subcomponents' to disambiguate between capital and operating expenditure. Cleanup of historic data including removing blank rows, fixing empty label columns, fixing some sch_ref duplicates, standardisation of spacing and special characters like dashes. Changed method of version numbering."
  },
  {
    "NAME": "EDB ID Dataset (2012-2024)",
    "VERSION": "2024.09.1",
    "DATE": "2024-10-31",
    "CHANGE": "Updated with 2024 year end data. Added schedule 8(i) and 8(ii) price component tables for 2013-2024 with suffix of 2 in section name, sch_ref is row number. Note these sections include blanks for units and some duplicate labels as entered. Note the format for this table changes from DY2025. Fix to historic percentages in schedule 12a Asset Condition being 100 out (Westpower and Network Waitaki). Label and unit cleaning for schedule 12c(ii) Loss ratio. Some small label cleanup including inconsistent capitalisation."
  },
  {
    "NAME": "EDB ID Dataset",
    "VERSION": "2025.05.1",
    "DATE": "2025-05-15",
    "CHANGE": "Updated with 2025 year beginning AMP data. Includes new schedule 12b data. Horizon Energy name change to Horizon Networks. Removed non-total '8(i): Billed Quantities by Price Component 2' and '8(ii): Line Charge Revenues ($000) by Price Component 2' rows from excel files to be only included in full dataset due to size issues. Fix of unit column for section 8(ii) part 2. Section label changed from '12c(ii) System Demand' to '12c(ii): System Demand' for consistency. Cleanup of historic asset condition data including incorrect asset category, asset grade out by 100 errors and negative asset grade."
  },
  {
    "NAME": "EDB ID Dataset",
    "VERSION": "2025.09.1",
    "DATE": "2025-10-30",
    "CHANGE": "Updated with 2025 year-end data. New data on raw interruptions (10a), worst-performing feeders (10(vi)), and geospatial data on substations are provided in separate files. There are some changes to historic data due to restated figures for Westpower (2024 year-end), Centralines (2024 and 2023 year-beginning: 1, 2, 3, 5a, 7, 8), and Buller Electricity (12a for 2024 and 12a for 2023). MainPower NZ data is uncertified and unaudited for DY25 year-end. Network Tasman became the 100% owner of Nelson Electricity as of 1 April 2025. Nelson Electricity did not submit data for 10(vi) DY25 and stated that there were no unplanned outages and they could not determine which were worst performing."
  },
  {
    "NAME": "EDB ID Dataset",
    "VERSION": "2026.05.1",
    "DATE": "2026-05-19",
    "CHANGE": "Updated with 2026 year beginning AMP data. Note that Orion NZ received an exemption until June 2026 and that Nelson Electricity is no longer included."
  }
]